EP3333475A1 - Compressed gas cylinder - Google Patents

Compressed gas cylinder Download PDF

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Publication number
EP3333475A1
EP3333475A1 EP16202391.5A EP16202391A EP3333475A1 EP 3333475 A1 EP3333475 A1 EP 3333475A1 EP 16202391 A EP16202391 A EP 16202391A EP 3333475 A1 EP3333475 A1 EP 3333475A1
Authority
EP
European Patent Office
Prior art keywords
gas cylinder
filter
compressed
valve
compressed gas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16202391.5A
Other languages
German (de)
French (fr)
Other versions
EP3333475B1 (en
Inventor
Gerald Schwarzl
Gerald Rath-Reber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Magna Energy Storage Systems GmbH
Original Assignee
Magna Steyr Fuel Systems GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Magna Steyr Fuel Systems GmbH filed Critical Magna Steyr Fuel Systems GmbH
Priority to EP16202391.5A priority Critical patent/EP3333475B1/en
Priority to US15/818,843 priority patent/US11085587B2/en
Priority to CN201711280817.9A priority patent/CN108150829B/en
Publication of EP3333475A1 publication Critical patent/EP3333475A1/en
Application granted granted Critical
Publication of EP3333475B1 publication Critical patent/EP3333475B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/16—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/056—Small (<1 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0604—Liners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/0663—Synthetics in form of fibers or filaments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0326—Valves electrically actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0341—Filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0388—Arrangement of valves, regulators, filters
    • F17C2205/0391—Arrangement of valves, regulators, filters inside the pressure vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/05—Improving chemical properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • F17C2265/061—Fluid distribution for supply of supplying vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles

Definitions

  • the present invention relates to a compressed gas cylinder comprising a bottle neck and a valve for removing a stored compressed gas from the compressed gas cylinder, wherein the valve is arranged in the bottleneck.
  • Compressed gas cylinders are used to store gases under high pressure, in particular to provide compressed gases such as CNG (Compressed Natural Gas) as a driving medium for natural gas vehicles.
  • CNG Compressed Natural Gas
  • Such compressed gas cylinders usually comprise a valve for removing the stored compressed gas from the compressed gas cylinder, wherein the valve is arranged in a bottleneck of the compressed gas cylinder.
  • a compressed gas cylinder comprising a bottleneck, a valve for removing a stored compressed gas from the compressed gas cylinder, wherein the valve is arranged in the bottleneck, and a filter for filtering contaminants of the compressed gas, wherein radially inside the bottleneck a support sleeve for Supporting the bottle neck is arranged and wherein the filter is mounted radially inwardly of the support sleeve.
  • the filter for the protection of an outlet valve arranged in the neck of the bottle is not integrated in the valve itself, but rather attached as a separate component to a support sleeve which supports the bottleneck.
  • the support sleeve therefore has the largest possible cross-section in the region of the neck of the bottle and thus makes it possible, in addition to a mechanical support of the neck of the bottle, to accommodate a filter with a high absorption capacity.
  • the filter can be installed regardless of the valve used and possibly replaced.
  • the entire construction of the compressed gas cylinder is also more robust by such an arrangement of a support sleeve with internal filter.
  • the compressed gas cylinder is preferably made of fiber composite material and has an inner liner, wherein the support sleeve supports the open end of the inner liner, which forms the bottleneck.
  • the filter is pressed into the support sleeve.
  • the valve is preferably located closer to the open end of the bottle neck than the filter, and preferably also closer than the support sleeve. The gas flowing out of the compressed gas cylinder thus flows first through the filter and only then through the valve in the neck of the bottle.
  • the valve may in particular be a solenoid valve.
  • valve is preferably fastened in a valve receptacle, wherein the valve receptacle is fastened to the inner liner of the compressed gas cylinder, in particular screwed to the inner liner.
  • the valve seat can surround the inner liner radially outside and so support the liner from the outside, while the support sleeve supports it from the inside.
  • the valve may be disposed substantially axially outside the inner liner.
  • the filter preferably comprises a filter frame, wherein the filter frame can be pressed into the support sleeve.
  • the filter frame, as well as the neck and the support sleeve preferably has a round cross-section exhibit.
  • the filter may have a mesh with a predetermined mesh size, for example between 30 .mu.m and 300 .mu.m, in particular a mesh size of about 40 .mu.m or of about 100 .mu.m.
  • the filter frame may have at its end facing the mouth of the bottle neck a formation radially outward, for hooking the filter frame at the end of the support sleeve and / or at the end of the inner liner, so that the filter is held axially positive manner.
  • Fig. 1 is a bottleneck 1 of a compressed gas according to the invention in a sectional view.
  • CNG Compressed Natural Gas
  • the compressed gas cylinder consists largely of fiber composite material and has an inner liner 5, which forms at least one inner layer of the compressed gas cylinder and ends in the bottle neck 1.
  • the inner liner 5 is supported by a support sleeve 4, so that is supported by the support sleeve 4, the open end of the inner liner 5 on the bottle neck 1 against deformation inwards.
  • the valve 2 is a solenoid valve and is mounted in a valve seat 6, wherein the valve seat 6 itself is screwed to the outer periphery of the inner liner 5 with this.
  • the valve seat 6 therefore surrounds the inner liner 5 radially on the outside and supports it from the outside. Between valve seat 6 and inner liner 5, a ring seal 9 is arranged.
  • the solenoid valve 2 itself is arranged axially outside of the inner liner 5 and outside the support sleeve 4, ie near the open end of the bottle neck 1 of the compressed gas cylinder.
  • a filter 3 for filtering contaminants of the compressed gas.
  • the filter 3 has outer circumferential a filter frame 7 and is pressed over this filter frame 7 in the support sleeve 4.
  • the filter frame 7 has at its the opening of the bottle neck 1 facing the end of a two-step molding 8 radially outward, so that the filter frame 7 may abut the axially outer free end of the support sleeve 4 and the inner liner 5.
  • the two-stage molding 8 is clearly visible in the Fig. 2 to 5 showing the filter 3 in an uninstalled state.
  • the filter 3 has a filter frame 7 with a circular cross section and axially of the described formation 8.
  • a filter bottom 10 is also attached with a circular cross-section.
  • the filter bottom 10 may have a mesh size of, for example, 40 ⁇ m, depending on the desired function of the filter.
  • the height Y of the filter frame 7 is 8 mm.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

Eine Druckgasflasche, umfassend einen Flaschenhals (1), ein Ventil (2) zur Entnahme eines gespeicherten Druckgases aus der Druckgasflasche, wobei das Ventil (2) im Flaschenhals (1) angeordnet ist, und ein Filter (3) zur Filterung von Verunreinigungen des Druckgases, wobei radial innen im Flaschenhals (1) eine Stützhülse (4) zur Abstützung des Flaschenhalses (1) angeordnet ist und wobei radial innen an der Stützhülse (4) das Filter (3) befestigt ist.A compressed gas cylinder comprising a bottle neck (1), a valve (2) for removing a stored compressed gas from the compressed gas cylinder, wherein the valve (2) is arranged in the bottle neck (1), and a filter (3) for filtering contaminants of the compressed gas , wherein radially inside the bottleneck (1) a support sleeve (4) for supporting the bottle neck (1) is arranged and wherein the filter (3) is mounted radially on the inside of the support sleeve (4).

Description

Gebiet der ErfindungField of the invention

Die vorliegende Erfindung betrifft eine Druckgasflasche, umfassend einen Flaschenhals und ein Ventil zur Entnahme eines gespeicherten Druckgases aus der Druckgasflasche, wobei das Ventil im Flaschenhals angeordnet ist.The present invention relates to a compressed gas cylinder comprising a bottle neck and a valve for removing a stored compressed gas from the compressed gas cylinder, wherein the valve is arranged in the bottleneck.

Stand der TechnikState of the art

Druckgasflaschen werden verwendet um Gase unter hohem Druck zu speichern, insbesondere um Druckgase wie CNG (Compressed Natural Gas) als Antriebsmedium für Erdgasfahrzeuge bereit zu stellen.Compressed gas cylinders are used to store gases under high pressure, in particular to provide compressed gases such as CNG (Compressed Natural Gas) as a driving medium for natural gas vehicles.

Derartige Druckgasflaschen umfassen üblicherweise ein Ventil zur Entnahme des gespeicherten Druckgases aus der Druckgasflasche, wobei das Ventil in einem Flaschenhals der Druckgasflasche angeordnet ist.Such compressed gas cylinders usually comprise a valve for removing the stored compressed gas from the compressed gas cylinder, wherein the valve is arranged in a bottleneck of the compressed gas cylinder.

Derartige Entnahmeventile sind jedoch gefährdet, durch Verschmutzungen des Druckgases die beispielsweise aus der Herstellung der Druckgasflasche stammen können, beschädigt zu werden.However, such removal valves are at risk, be damaged by contamination of the compressed gas, for example, from the production of the compressed gas cylinder.

Um das Ventil vor derartigen Verschmutzungen zu schützen, ist es bekannt in ein Ventil ein Filter zu integrieren, dass größere Partikel, die das Ventil beschädigen könnten, aus dem Gasstrom ausfiltert.To protect the valve from such contamination, it is known to incorporate into a valve a filter that filters out larger particles that could damage the valve from the gas stream.

Derartige integrierte Filter haben jedoch aufgrund des beschränkten Bauraums nur eine beschränkte Aufnahmekapazität für Schmutz-Partikel. Der Aufbau und der Austausch solcher Ventile ist teuer.However, such integrated filters have only a limited capacity for dirt particles due to the limited space. The construction and replacement of such valves is expensive.

Zusammenfassung der ErfindungSummary of the invention

Es ist eine Aufgabe der Erfindung, eine Druckgasflasche der genannten Art in dieser Hinsicht zu verbessern und insbesondere eine Druckgasflasche anzugeben, die eine hohe Aufnahmekapazität für auszufilternde Partikel aufweist.It is an object of the invention to improve a compressed gas cylinder of the type mentioned in this regard and, in particular, to specify a compressed gas cylinder which has a high absorption capacity for particles to be filtered out.

Die Lösung der Aufgabe erfolgt durch eine Druckgasflasche, umfassend einen Flaschenhals, ein Ventil zur Entnahme eines gespeicherten Druckgases aus der Druckgasflasche, wobei das Ventil im Flaschenhals angeordnet ist, und ein Filter zur Filterung von Verunreinigungen des Druckgases, wobei radial innen im Flaschenhals eine Stützhülse zur Abstützung des Flaschenhalses angeordnet ist und wobei radial innen an der Stützhülse das Filter befestigt ist.The object is achieved by a compressed gas cylinder, comprising a bottleneck, a valve for removing a stored compressed gas from the compressed gas cylinder, wherein the valve is arranged in the bottleneck, and a filter for filtering contaminants of the compressed gas, wherein radially inside the bottleneck a support sleeve for Supporting the bottle neck is arranged and wherein the filter is mounted radially inwardly of the support sleeve.

Erfindungsgemäß ist vorgesehen das Filter zum Schutz eines im Flaschenhals angeordneten Entnahmeventils nicht in das Ventil selbst zu integrieren, sondern als eigenständiges Bauteil an einer Stützhülse zu befestigen, die den Flaschenhals abstützt. Die Stützhülse weist daher den größtmöglichen Querschnitt im Bereich des Flaschenhalses auf und ermöglicht somit zusätzlich zu einer mechanischen Abstützung des Flaschenhalses die Unterbringung eines Filters mit hoher Aufnahmekapazität. Zudem kann das Filter unabhängig vom verwendeten Ventil eingebaut und eventuell ersetzt werden. Der gesamte Aufbau der Druckgasflasche wird durch eine solche Anordnung einer Stützhülse mit innenliegendem Filter auch robuster.According to the invention, the filter for the protection of an outlet valve arranged in the neck of the bottle is not integrated in the valve itself, but rather attached as a separate component to a support sleeve which supports the bottleneck. The support sleeve therefore has the largest possible cross-section in the region of the neck of the bottle and thus makes it possible, in addition to a mechanical support of the neck of the bottle, to accommodate a filter with a high absorption capacity. In addition, the filter can be installed regardless of the valve used and possibly replaced. The entire construction of the compressed gas cylinder is also more robust by such an arrangement of a support sleeve with internal filter.

Die Druckgasflasche besteht vorzugsweise aus Faserverbundwerkstoff und weist einen inneren Liner auf, wobei die Stützhülse das offene Ende des inneren Liners abstützt, welches den Flaschenhals bildet.The compressed gas cylinder is preferably made of fiber composite material and has an inner liner, wherein the support sleeve supports the open end of the inner liner, which forms the bottleneck.

Bevorzugt ist das Filter in die Stützhülse eingepresst.Preferably, the filter is pressed into the support sleeve.

Das Ventil ist bevorzugt näher zum offenen Ende des Flaschenhalses angeordnet, als das Filter und vorzugsweise auch näher als die Stützhülse. Das aus der Druckgasflasche ausströmende Gas strömt somit zuerst durch das Filter und erst anschließend durch das Ventil im Flaschenhals.The valve is preferably located closer to the open end of the bottle neck than the filter, and preferably also closer than the support sleeve. The gas flowing out of the compressed gas cylinder thus flows first through the filter and only then through the valve in the neck of the bottle.

Das Ventil kann insbesondere ein Magnetventil sein.The valve may in particular be a solenoid valve.

Das Ventil ist vorzugsweise in einer Ventilaufnahme befestigt, wobei die Ventilaufnahme am inneren Liner der Druckgasflasche befestigt ist, insbesondere mit dem inneren Liner verschraubt.The valve is preferably fastened in a valve receptacle, wherein the valve receptacle is fastened to the inner liner of the compressed gas cylinder, in particular screwed to the inner liner.

Die Ventilaufnahme kann den inneren Liner radial außen umfangen und so den Liner von außen abstützen, während die Stützhülse ihn von innen abstützt.The valve seat can surround the inner liner radially outside and so support the liner from the outside, while the support sleeve supports it from the inside.

Das Ventil kann im Wesentlichen axial außerhalb des inneren Liners angeordnet sein.The valve may be disposed substantially axially outside the inner liner.

Das Filter umfasst bevorzugt einen Filterrahmen, wobei der Filterrahmen in die Stützhülse eingepresst sein kann. Der Filterrahmen kann, wie auch der Flaschenhals und die Stützhülse bevorzugt einen runden Querschnitt aufweisen. Im Inneren des Filterrahmens kann das Filter ein Netz mit einer vorgegebenen Maschenweite aufweisen, beispielsweise zwischen 30 µm und 300 µm, insbesondere eine Maschenweite von etwa 40 µm oder von etwa 100 µm.The filter preferably comprises a filter frame, wherein the filter frame can be pressed into the support sleeve. The filter frame, as well as the neck and the support sleeve preferably has a round cross-section exhibit. Inside the filter frame, the filter may have a mesh with a predetermined mesh size, for example between 30 .mu.m and 300 .mu.m, in particular a mesh size of about 40 .mu.m or of about 100 .mu.m.

Der Filterrahmen kann an seinem der Öffnung des Flaschenhalses zugewandten Ende eine Ausformung radial nach außen aufweisen, zum Einhaken des Filterrahmens am Ende der Stützhülse und/oder am Ende des inneren Liners, so dass das Filter axial formschlüssig gehalten ist.The filter frame may have at its end facing the mouth of the bottle neck a formation radially outward, for hooking the filter frame at the end of the support sleeve and / or at the end of the inner liner, so that the filter is held axially positive manner.

Kurzbeschreibung der ZeichnungenBrief description of the drawings

Die Erfindung wird im Folgenden beispielhaft unter Bezugnahme auf die Zeichnungen beschrieben.

Fig. 1
zeigt einen Ausschnitt eines Flaschenhalses einer erfindungsgemäßen Druckgasfalsche in einer Schnittdarstellung.
Fig. 2
zeigt das Filter einer erfindungsgemäßen Druckgasflasche gemäß Fig. 1 von unten.
Fig. 3
zeigt das Filter gemäß Fig. 2 von der Seite.
Fig. 4
zeigt eine Schnittdarstellung gemäß A-A in Fig. 2.
Fig. 5
zeigt das Filter gemäß Fig. 2 in einer dreidimensionalen Darstellung.
The invention will now be described by way of example with reference to the drawings.
Fig. 1
shows a detail of a bottleneck of a compressed gas according to the invention in a sectional view.
Fig. 2
shows the filter according to the invention of a compressed gas cylinder according to Fig. 1 from underneath.
Fig. 3
shows the filter according to Fig. 2 of the page.
Fig. 4
shows a sectional view according to AA in Fig. 2 ,
Fig. 5
shows the filter according to Fig. 2 in a three-dimensional representation.

Detaillierte Beschreibung der ErfindungDetailed description of the invention

In Fig. 1 ist ein Flaschenhals 1 einer erfindungsgemäßen Druckgasfalsche in einer Schnittdarstellung dargestellt.In Fig. 1 is a bottleneck 1 of a compressed gas according to the invention in a sectional view.

Im Flaschenhals 1 ist ein Ventil 2 zur Entnahme eines gespeicherten Druckgases, insbesondere von CNG (Compressed Natural Gas), angeordnet, das als Magnetventil ausgeführt ist.In the bottleneck 1, a valve 2 for removing a stored compressed gas, in particular of CNG (Compressed Natural Gas), arranged, which is designed as a solenoid valve.

Die Druckgasflasche besteht großteils aus Faserverbundwerkstoff und weist einen inneren Liner 5 auf, der zumindest eine Innenschicht der Druckgasflasche bildet und im Flaschenhals 1 endet.The compressed gas cylinder consists largely of fiber composite material and has an inner liner 5, which forms at least one inner layer of the compressed gas cylinder and ends in the bottle neck 1.

Radial innen ist der innere Liner 5 durch eine Stützhülse 4 abgestützt, so dass durch die Stützhülse 4 das offene Ende des inneren Liners 5 am Flaschenhals 1 gegenüber Verformungen nach innen gestützt ist.Radially inside, the inner liner 5 is supported by a support sleeve 4, so that is supported by the support sleeve 4, the open end of the inner liner 5 on the bottle neck 1 against deformation inwards.

Das Ventil 2 ist ein Magnetventil und ist in einer Ventilaufnahme 6 befestigt, wobei die Ventilaufnahme 6 selbst am Außenumfang des inneren Liners 5 mit diesem verschraubt ist. Die Ventilaufnahme 6 umfängt daher den inneren Liner 5 radial außen und stützt diesen außen ab. Zwischen Ventilaufnahme 6 und innerem Liner 5 ist eine Ringdichtung 9 angeordnet.The valve 2 is a solenoid valve and is mounted in a valve seat 6, wherein the valve seat 6 itself is screwed to the outer periphery of the inner liner 5 with this. The valve seat 6 therefore surrounds the inner liner 5 radially on the outside and supports it from the outside. Between valve seat 6 and inner liner 5, a ring seal 9 is arranged.

Das Magnetventil 2 selbst ist axial außerhalb des inneren Liners 5 und außerhalb der Stützhülse 4 angeordnet, also nahe dem offenen Ende des Flaschenhalses 1 der Druckgasflasche.The solenoid valve 2 itself is arranged axially outside of the inner liner 5 and outside the support sleeve 4, ie near the open end of the bottle neck 1 of the compressed gas cylinder.

Axial weiter innen im Flaschenhals 1 liegt ein Filter 3 zur Filterung von Verunreinigungen des Druckgases. Das Filter 3 weist außen umlaufend einen Filterrahmen 7 auf und ist über diesen Filterrahmen 7 in die Stützhülse 4 eingepresst.Axially further inside the bottle neck 1 is a filter 3 for filtering contaminants of the compressed gas. The filter 3 has outer circumferential a filter frame 7 and is pressed over this filter frame 7 in the support sleeve 4.

Der Filterrahmen 7 weist an seinem der Öffnung des Flaschenhalses 1 zugewandten Ende eine zweistufige Ausformung 8 radial nach außen auf, so dass der Filterrahmen 7 am axial außen liegenden freien Ende der Stützhülse 4 und des inneren Liners 5 anliegen kann.The filter frame 7 has at its the opening of the bottle neck 1 facing the end of a two-step molding 8 radially outward, so that the filter frame 7 may abut the axially outer free end of the support sleeve 4 and the inner liner 5.

Die zweistufige Ausformung 8 ist gut ersichtlich in den Fig. 2 bis 5, die das Filter 3 in einem nicht verbauten Zustand zeigen. Das Filter 3 weist einen Filterrahmen 7 mit kreisförmigem Querschnitt und axial der beschriebenen Ausformung 8 auf. Zusätzlich erstrecken sich in axialer Richtung über den Umfang des Filterrahmens 7 verteilt längliche Noppen zur radialen Sicherung des Filterahmens 7. Im inneren des Filterrahmens 7 ist ein Filterboden 10 mit ebenfalls kreisförmigem Querschnitt angebracht. Der Filterboden 10 kann eine Maschenweite von zum Beispiel 40 µm aufweisen, je nach gewünschter Funktion des Filters.The two-stage molding 8 is clearly visible in the Fig. 2 to 5 showing the filter 3 in an uninstalled state. The filter 3 has a filter frame 7 with a circular cross section and axially of the described formation 8. In addition, in the axial direction over the circumference of the filter frame 7 distributed elongated knobs for radial securing of the filter frame 7. In the interior of the filter frame 7, a filter bottom 10 is also attached with a circular cross-section. The filter bottom 10 may have a mesh size of, for example, 40 μm, depending on the desired function of the filter.

Weitere Dimensionen des Filters 3 sind in Fig. 4 beispielhaft angegeben. Der Filterrahmen 7 weist im verbauten Zustand axial innen liegend einen geringsten Durchmesser von V = 18 mm auf, im Bereich der Halterung des Filterbodens 10 einen Durchmesser von W = 20 mm, an der Außenseite der ersten Abstufung der Ausformung 8 einen Durchmesser von U = 25 mm und am Ende der zweiten Abstufung einen Durchmesser von X = 28 mm. Die Höhe Y des Filterrahmens 7 beträgt 8 mm.Other dimensions of the filter 3 are in Fig. 4 exemplified. The filter frame 7 has in the installed state axially inside a smallest diameter of V = 18 mm, in the region of the holder of the filter base 10 has a diameter of W = 20 mm, on the outside of the first gradation of the molding 8 has a diameter of U = 25th mm and at the end of the second step a diameter of X = 28 mm. The height Y of the filter frame 7 is 8 mm.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Flaschenhalsbottleneck
22
VentilValve
33
Filterfilter
44
Stützhülsesupport sleeve
55
innerer Linerinner liner
66
Ventilaufnahmevalve receiving
77
Filterrahmenfilter frame
88th
Ausformungformation
99
Ringdichtungring seal
1010
Filterbodenfilter bottom
A-AA-A
Schnittcut
UU
Durchmesserdiameter
VV
Durchmesserdiameter
WW
Durchmesserdiameter
XX
Durchmesserdiameter
YY
Höheheight

Claims (9)

Druckgasflasche, umfassend einen Flaschenhals (1), ein Ventil (2) zur Entnahme eines gespeicherten Druckgases aus der Druckgasflasche, wobei das Ventil (2) im Flaschenhals (1) angeordnet ist, und ein Filter (3) zur Filterung von Verunreinigungen des Druckgases,
dadurch gekennzeichnet, dass radial innen im Flaschenhals (1) eine Stützhülse (4) zur Abstützung des Flaschenhalses (1) angeordnet ist und dass radial innen an der Stützhülse (4) das Filter (3) befestigt ist.Compressed-gas cylinder, comprising a bottle neck (1), a valve (2) for removing a stored compressed gas from the compressed-gas cylinder, the valve (2) being arranged in the bottle neck (1), and a filter (3) for filtering contaminants of the compressed gas,
characterized in that radially inside the bottle neck (1) a support sleeve (4) for supporting the bottle neck (1) is arranged and that radially inwardly on the support sleeve (4) the filter (3) is attached. Druckgasflasche nach Anspruch 1,
dadurch gekennzeichnet, dass die Druckgasflasche aus Faserverbundwerkstoff besteht und einen inneren Liner (5) aufweist, wobei die Stützhülse (4) das offene Ende des inneren Liners (5) am Flaschenhals (1) abstützt.Compressed-gas cylinder according to claim 1,
characterized in that the compressed gas cylinder consists of fiber composite material and an inner liner (5), wherein the support sleeve (4) supports the open end of the inner liner (5) on the bottle neck (1). Druckgasflasche nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass das Filter (3) in die Stützhülse (4) eingepresst ist.Compressed-gas cylinder according to at least one of the preceding claims,
characterized in that the filter (3) is pressed into the support sleeve (4). Druckgasflasche nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass das Ventil (2) näher zum offenen Ende des Flaschenhalses (1) angeordnet ist, als das Filter (3).Compressed-gas cylinder according to at least one of the preceding claims,
characterized in that the valve (2) is located closer to the open end of the bottle neck (1) than the filter (3). Druckgasflasche nach zumindest einem der Ansprüche 2 bis 4,
dadurch gekennzeichnet, dass das ventil (2) in einer Ventilaufnahme (6) befestigt ist, wobei die Ventilaufnahme (6) am inneren Liner (5) der Druckgasflasche befestigt ist, insbesondere mit dem inneren Liner (5) verschraubt.Compressed-gas cylinder according to at least one of claims 2 to 4,
characterized in that the valve (2) is mounted in a valve receptacle (6), wherein the valve receptacle (6) on the inner liner (5) of the compressed gas cylinder is fixed, in particular screwed to the inner liner (5). Druckgasflasche nach Anspruch 5,
dadurch gekennzeichnet, dass die Ventilaufnahme (6) den inneren Liner (5) radial außen umfängt.Compressed-gas cylinder according to claim 5,
characterized in that the valve seat (6) surrounds the inner liner (5) radially on the outside. Druckgasflasche nach zumindest einem der Ansprüche 2 bis 6,
dadurch gekennzeichnet, dass das Ventil (2) im Wesentlichen axial außerhalb des inneren Liners (5) angeordnet ist.Compressed-gas cylinder according to at least one of claims 2 to 6,
characterized in that the valve (2) is arranged substantially axially outside the inner liner (5). Druckgasflasche nach zumindest einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass das Filter (3) einen Filterrahmen (7) umfasst, wobei der Filterrahmen (7) in die Stützhülse (4) eingepresst ist.Compressed-gas cylinder according to at least one of the preceding claims,
characterized in that the filter (3) comprises a filter frame (7), wherein the filter frame (7) is pressed into the support sleeve (4). Druckgasflasche nach Anspruch 8,
dadurch gekennzeichnet, dass der Filterrahmen (7) an seinem der Öffnung des Flaschenhalses (1) zugewandten Ende eine Ausformung (8) radial nach außen aufweist, zum Anliegen am Ende der Stützhülse (4) und/oder am Ende des inneren Liners (5).Compressed-gas cylinder according to claim 8,
characterized in that the filter frame (7) at its the opening of the bottle neck (1) facing the end has a formation (8) radially outwardly for abutment with the end of the support sleeve (4) and / or at the end of the inner liner (5) ,
EP16202391.5A 2016-12-06 2016-12-06 Compressed gas cylinder Active EP3333475B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP16202391.5A EP3333475B1 (en) 2016-12-06 2016-12-06 Compressed gas cylinder
US15/818,843 US11085587B2 (en) 2016-12-06 2017-11-21 Pressurised gas cylinder
CN201711280817.9A CN108150829B (en) 2016-12-06 2017-12-06 Pressurized gas cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16202391.5A EP3333475B1 (en) 2016-12-06 2016-12-06 Compressed gas cylinder

Publications (2)

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EP3333475A1 true EP3333475A1 (en) 2018-06-13
EP3333475B1 EP3333475B1 (en) 2021-03-24

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CN112793960A (en) * 2020-05-11 2021-05-14 李朝恒 Environment-friendly municipal garbage can and using method
CN115382312A (en) * 2022-07-22 2022-11-25 有研工程技术研究院有限公司 Controllable gas flow direction purification column arranged in gas cylinder

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US20110210515A1 (en) * 2010-02-26 2011-09-01 Dynetek Industries Ltd. Sealing system for the outlet of a plastic-lined compressed gas cylinder
WO2011132063A2 (en) * 2010-04-23 2011-10-27 Toyota Jidosha Kabushiki Kaisha Gas filling method, gas filling system, gas station and mobile unit

Also Published As

Publication number Publication date
CN108150829A (en) 2018-06-12
US20180156389A1 (en) 2018-06-07
US11085587B2 (en) 2021-08-10
EP3333475B1 (en) 2021-03-24
CN108150829B (en) 2021-04-20

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